The following sites are a list of resources I went and found to get you started. Remember to bookmark the sites you use and any images you download should be bookmarked as we will have to cite those as well.
Learn about the Progressive Era
Websites for the Gilded Age and the Progressive Era (Beware I haven't checked these throughly, I don't know how good or credible they are)
The Jungle Online version of the book about the corrupt meatpacking industry (Chapters 3 & 9 are good)
History Place (Good Child Labor Pics)
Organization of American Historians (Lots of Good Links)
Topics